129122561 is an odd 9-digits composite number following 129122560
and preceding 129122562 . In scientific notation, it is written as 1.29122561 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 128739072 positive integers (up to 129122561) that are relatively prime to 129122561.
129122561 has 4 divisors, whose sum is 129506052
The reverse of 129122561 is 165221921
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-nine million one hundred twenty-two thousand five hundred sixty-one
Scientific notation
1.29122561 × 10^8
Engineering notation
1.29122561 × 10^6
Prime Factorization
337 × 383153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129122561
Product of the distinct prime numbers
The prime factorization of 129122561 is 337 × 383153.
Since it has a total of 2 prime factors.
9 , 2 , 26 , 99 , 786 , 534 , 7624 , 3066 , 88416 , 3800 , 11623 , 867696 , 6037979 , 473085 , 48030700 , 66113413 , 782869657 , 118561148 , 1761534097 , 9177659860
n×2
258245122
n×3
387367683
n×4
516490244
n×5
645612805
n÷2
64561280.5
n÷3
43040853.666667
n÷3
32280640.25
n÷5
25824512.2
n2
16672635759198721
n3
2.1528134278479E+24
n4
2.7797678315891E+32
n5
3.589307414002E+40
2 √n
11363.210857852
3 √n
505.43740295328
4 √n
106.59836236008
5 √n
41.898688231352
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129122560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129122561 can be divided by 4 positive divisors.
The sum of these divisors (counting 129122561) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100100000100000001
3
Ternary
22222222002212002
4
Quaternary
13230210010001
5
Quinary
231023410221
6
Senary
20451313345
8
Octal
754440401
10
Decimal
129122561
12
Duodecimal
372ab855
16
Hexadecimal
7b24101
20
Vigesimal
2070681
36
Base36
24vjlt
md5
411b83e294cca333b7f82e7806d641de
sha1
d5276ae82bc1f05dea1101a39000208b7968a433
sha256
57cc0a970b76e37d4ff96f541a17e3f37ee9755a4537a3dd71bc5fede72bff3f
sha512
7fae7b3be63533f7de901df9796087390c748c97354336653fc5ff20480f08100fdec9a7b32d587110a00726093d8c791f65aa36a189673e844f2757723025ae
ripemd-160
5102b6aa5c30c3fbb4851f2e296a9ccc214ec117
Diameter
258245122
Circumference
811300978.1006
Area
5.2378630017077E+16
Volume
9.017683799302E+24
Surface area
2.0951452006831E+17
Circumference
811300978.1006
Perimeter
516490244
Area
16672635759198721
Diagonal
182606876.97455
Surface area
100035814555192326
Volume
2.1528134278479E+24
Space diagonal
223646836.05541
Perimeter
387367683
Area
7.2194630577555E+15
Altitude
111823418.02771
Surface area
7.2194630577555E+15
Volume
2.5371149557679E+23
Height
60868958.991516